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Six year outcomes with bariatric surgery

Recently I read that suicides were increased in a group of individuals who underwent bariatric surgery. This piqued my interest in finding the reference (JAMA 2012; 308: 1122-31 -21 authors).

This Utah study was a prospective trial between 2000-2011 involving 1156 severely obese participants between 18-72 years of age. There were 3 groups. The treatment group of 418 underwent Roux-en-Y gastric bypass (RYGB). The second group (control group 1 =CG1) sought bariatric surgery but did not have surgery, and the third group (control group 2 =CG2) were a randomly selected population-based sample.

All participants had BMI ≥35. RYGB group had average BMI of 47.3, CG1 was 46.3 and CG2 43.8. The respective average age was 42.5, 43, and 49.4 years. In CG1, 84 had undergone bariatric surgery by six years; in CG2 17 had undergone bariatric surgery by six years.